Lets' upload this file for a second opinion on what it actually is..
e:\Adobe Photoshop Elements\Setup.exe
Please make sure that you can view all hidden files. Instructions on how to do this can be found here:How to see hidden files in Windows
Please click this link-->Jotti
When the jotti page has finished loading, click the Browse
button and navigate to the following file and click Submit
Please post back the results of the scan in your next post.
If Jotti is busy, try the same at Virustotal
For submission to a specific anti-virus vendor see Submitting Virus Samples: How to Submit a Virus.